3905927 | Genuine Cummins® Engine Flywheel Assembly

SKU: 3905927 MPN: 3905927

Engine rotation stability is supported by the Genuine Cummins Engine Flywheel Assembly, supplied new under Part Number: 3905927. Fits Cummins ISB, ISD, ISF, ISG, B-Series 4.5L/6.7L and QSB engines.

$1,599.00
No Core Charge
8 in stock, ready to ship

Pickup available at Warehouse - Howard st 7092 ste F

Usually ready in 24 hours

Need it fast? We offer overnight shipping

Contact us to check if overnight next-day delivery is available for your order - PN: 3905927

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Product Description

Product Name Engine Flywheel Assembly Product Name Engine Flywheel Assembly
Condition New Condition New
Brand Cummins® Brand Cummins®
Part Number 3905927 Part Number 3905927
Cross Reference 3905925 Cross Reference 3905925
Engine Compatibility
Cummins ISB / ISD / ISF / ISG Cummins ISB / ISD / ISF / ISG
Cummins B-Series (4.5L/6.7L) Cummins B-Series (4.5L/6.7L)
Cummins QSB Cummins QSB
Specifications
Maximum RPM 2920 Maximum RPM 2920
Ring Gear Pitch 10/12 Ring Gear Pitch 10/12
Ring Gear Tooth Count 159 Ring Gear Tooth Count 159

Useful Information

Description and Purpose:

The Engine Flywheel Assembly by Genuine Cummins is designed to ensure smooth rotational balance and efficient power transfer between the engine and transmission. Presented in new condition and labeled with Part Number: 3905927, this component helps stabilize crankshaft motion and provides reliable engagement for the starter system. It is compatible with Cummins ISB, ISD, ISF, ISG, B-Series (4.5L/6.7L), and QSB applications. Cross Reference: 3905925.

Why Replacement is Important:

Over time, flywheel surfaces and ring gear teeth can wear or become damaged due to repeated heat cycles and mechanical stress, affecting starting reliability and clutch engagement.

Impact on Vehicle Performance:

A properly functioning flywheel ensures smooth engine operation, reduces vibration, and supports consistent and efficient power transfer through the drivetrain system.

Manufacturer Information:

Cummins® designs and manufactures durable engine and drivetrain components engineered for reliability and long service life in demanding commercial applications.

Tags & Category: Flywheel, Engine Flywheel, Flywheel Assembly, Cummins Flywheel, Diesel Flywheel, Truck Flywheel, Flywheel Plate, Engine Rotor, Crankshaft Flywheel, Heavy Duty Flywheel

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 3905927